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 ###Instrução: Qual é a sexta-feira, 4 de junho, se a quarta-feira, 2 de junho, for 20' 50.62 108.608mph?
 ###Tabelas: CREATE TABLE top_10_men (top_10_men_id AUTO_INCREMENT PRIMARY KEY, Rank VARCHAR, Time VARCHAR, Athlete VARCHAR, Nation VARCHAR, Date VARCHAR, Race VARCHAR) CREATE TABLE championship_drivers_and_constructors (championship_drivers_and_constructors_id AUTO_INCREMENT PRIMARY KEY, Entrant VARCHAR, Constructor VARCHAR, Chassis VARCHAR, Engine VARCHAR, Tyre VARCHAR, Driver VARCHAR, Rounds VARCHAR) CREATE TABLE practice_times_and_leaderboard_600cc (practice_times_and_leaderboard_600cc_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Rider VARCHAR, Sat 29 May VARCHAR, Mon 31 May VARCHAR, Tues 1 June VARCHAR, Wed 2 June VARCHAR, Thurs 3 June VARCHAR, Fri 4 June VARCHAR) CREATE TABLE world_championship_grand_prix_wins_by_engine_manufacturer (world_championship_grand_prix_wins_by_engine_manufacturer_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Engine VARCHAR, Wins INT, First win VARCHAR, Latest win VARCHAR) CREATE TABLE comparison_of_cad_cam_cae_file_viewers (comparison_of_cad_cam_cae_file_viewers_id AUTO_INCREMENT PRIMARY KEY, Latest stable release VARCHAR, Developer VARCHAR, 3D support? VARCHAR, Runs on POSIX style systems ? VARCHAR, Runs on Windows? VARCHAR, User Interface Language(s) VARCHAR)  
SELECT Fri 4 June FROM practice_times_and_leaderboard_600cc WHERE Wed 2 June = 20' 50.62 108.608mph